@misc{indiciae3d468068df00,
  title = {[Root canal therapy. A radiographic control].},
  author = {H Boysen and E Giortz-Carlsen and A Anerud},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4504031/},
  note = {Source identifier: 4504031}
}